Base | Representation |
---|---|
bin | 111101111011010010101 |
3 | 10211002112202 |
4 | 13233122111 |
5 | 1004413310 |
6 | 111254245 |
7 | 23151023 |
oct | 7573225 |
9 | 3732482 |
10 | 2029205 |
11 | 1166632 |
12 | 81a385 |
13 | 560819 |
14 | 3ab713 |
15 | 2a13a5 |
hex | 1ef695 |
2029205 has 8 divisors (see below), whose sum is σ = 2578392. Its totient is φ = 1527808.
The previous prime is 2029199. The next prime is 2029207. The reversal of 2029205 is 5029202.
It can be written as a sum of positive squares in 4 ways, for example, as 130321 + 1898884 = 361^2 + 1378^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2029205 - 24 = 2029189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2029207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11852 + ... + 12021.
It is an arithmetic number, because the mean of its divisors is an integer number (322299).
22029205 is an apocalyptic number.
It is an amenable number.
2029205 is a deficient number, since it is larger than the sum of its proper divisors (549187).
2029205 is a wasteful number, since it uses less digits than its factorization.
2029205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23895.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 2029205 is about 1424.5016672507. The cubic root of 2029205 is about 126.6024104687.
It can be divided in two parts, 202920 and 5, that multiplied together give a triangular number (1014600 = T1424).
The spelling of 2029205 in words is "two million, twenty-nine thousand, two hundred five".
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